Hibbertia acaulothrix

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Hibbertia acaulothrix
Scientific classification Red Pencil Icon.png
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Order: Dilleniales
Family: Dilleniaceae
Genus: Hibbertia
Species:
H. acaulothrix
Binomial name
Hibbertia acaulothrix

Hibbertia acaulothrix is a species of flowering plant in the family Dilleniaceae and is endemic to New South Wales. It is an erect shrub with lance-shaped leaves and yellow flowers arranged singly, with nine to thirteen stamens arranged around the carpels.

Contents

Description

Hibbertia acaulothrix is an erect shrub that typically grows to a height of up to 1.1 m (3 ft 7 in), with ridged or flanged branchlets. The leaves are lance-shaped to wedge-shaped, 6–15 mm (0.24–0.59 in) long and 2–5 mm (0.079–0.197 in) wide and more or less sessile. The flowers are arranged singly in leaf axils or on the ends of side shoots, with bracts 8–10 mm (0.31–0.39 in) long and about 2 mm (0.079 in) wide. The five sepals are joined at the base with linear to lance-shaped lobes 6–7 mm (0.24–0.28 in) long and about 2–5 mm (0.079–0.197 in) wide. The five petals are yellow, 7–10 mm (0.28–0.39 in) long and 5–7 mm (0.20–0.28 in) wide and there are between nine and thirteen stamens and a few staminodes arranged around the carpels. Flowering has been recorded from October to April. [2] [3]

Taxonomy

Hibbertia acaulothrix was first formally described in 2012 by Hellmut R. Toelken in the Journal of the Adelaide Botanic Gardens from specimens collected by John D. Briggs near Bemboka in 1986. [3] [4] The specific epithet (acaulothrix) means "stalkless hair", referring to the hairs of this species compared to those of the similar Hibbertia hermanniifolia . [3]

Distribution and habitat

This hibbertia grows on sedimentary rocks in woodland between Wollemi National Park and south to the Wadbilliga National Park.

See also

Related Research Articles

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<i>Hibbertia acicularis</i> Species of flowering plant

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Hibbertia alopecota is a species of flowering plant in the family Dilleniaceae and is endemic to the Northern Territory. It is a low shrub with elliptic to lance-shaped leaves and yellow flowers arranged singly in leaf axils, with sixteen to twenty-four stamens arranged in bundles around two carpels.

Hibbertia angulata is a species of flowering plant in the family Dilleniaceae and is endemic to a restricted area in the Northern Territory. It is an erect sub-shrub with sessile, linear leaves and yellow flowers arranged singly in leaf axils, with seventeen to nineteen stamens arranged in bundles around the three carpels.

Hibbertia appressa, commonly known as trailing guinea flower, is a species of flowering plant in the family Dilleniaceae and is endemic to south-eastern Australia. It is a low-lying or scrambling shrub with lance-shaped to egg-shaped leaves and yellow flowers with nine to twelve stamens arranged in a single group.

Hibbertia araneolifera is a species of flowering plant in the family Dilleniaceae and is endemic to Queensland. It is a small shrub with wiry branches, narrow elliptic to lance-shaped leaves and yellow flowers arranged singly in leaf axils, with forty to forty-four stamens arranged around the three carpels.

Hibbertia argyrochiton is a species of flowering plant in the family Dilleniaceae and is endemic to northern parts of the Northern Territory. It is a shrub densely covered with scales and has elliptic to lance-shaped leaves, and yellow flowers usually arranged singly in leaf axils, with twenty to twenty-four stamens arranged in groups around the two carpels.

Hibbertia auriculiflora is a species of flowering plant in the family Dilleniaceae and is endemic to northern parts of the Northern Territory. It is usually a short-lived perennial shrublet covered with hairs and scales and has mostly oblong to linear leaves. The flowers are usually arranged singly or in groups of two or three in leaf axils, with twenty-five to thirty-two stamens arranged in groups around the two carpels.

Hibbertia axillaris is a species of flowering plant in the family Dilleniaceae and is endemic to northern Western Australia. It is usually a multi-stemmed shrublet with ridged branchlets, foliage covered with scales and rosette-like hairs and mostly elliptic to lance-shaped leaves. The flowers are arranged singly in leaf axils, with forty-two to fifty stamens arranged around the three carpels.

Hibbertia bicarpellata is a species of flowering plant in the family Dilleniaceae and is endemic to northern Queensland. It is a shrub with hairy, ridged branches, elliptic leaves and yellow flowers arranged singly in leaf axils, with twenty to twenty-six stamens arranged in groups around the two carpels.

Hibbertia brennanii is a species of flowering plant in the family Dilleniaceae and is endemic to the Arnhem Land escarpment. It is a low, spreading sub-shrub with hairy foliage, elliptic to lance-shaped leaves and pale yellow flowers arranged singly in leaf axils, with ten to twelve stamens arranged in groups around the two carpels.

Hibbertia brevipedunculata is a species of flowering plant in the family Dilleniaceae and is endemic to northern Australia. It is a sub-shrub with hairy foliage, linear to lance-shaped leaves with the narrow end towards the base, and yellow flowers arranged singly on the ends of branches or short side shoots, with thirty to forty-four stamens arranged in bundles around the two carpels.

Hibbertia cactifolia is a species of flowering plant in the family Dilleniaceae and is endemic to the Arnhem Land escarpment. It is a multi-stemmed shrublet with hairy foliage, oblong to elliptic leaves and yellow flowers arranged singly in leaf axils, with twenty-six to twenty-eight stamens arranged in groups around the two carpels.

Hibbertia caudice is a species of flowering plant in the family Dilleniaceae and is endemic to northern Australia. It is a shrub with wiry stems, hairy foliage, elliptic to lance-shaped leaves with the narrower end towards the base, and yellow flowers arranged in leaf axils, mostly with twenty-four to twenty-six stamens arranged in groups around the two carpels.

Hibbertia ciliolata is a species of flowering plant in the family Dilleniaceae and is endemic to the northern part of the Northern Territory. It is a shrub with a single stem, hairy foliage, linear to elliptic leaves, and yellow flowers arranged in leaf axils, mostly with eighteen to twenty-six stamens arranged in groups around the two carpels.

Hibbertia cinerea is a species of flowering plant in the family Dilleniaceae and is endemic to the southern part of the Eyre Peninsula in South Australia. It is a densely-branched, hairy shrub with narrow elliptic to lance-shaped leaves, and yellow flowers arranged on the ends of branchlet, with nine to twelve stamens arranged in a group on one side of the two carpels.

Hibbertia circularis is a species of flowering plant in the family Dilleniaceae and is endemic to the northern part of the Northern Territory. It is a perennial herb with prostrate, trailing branches, elliptic to more or less round leaves, and yellow flowers arranged in leaf axils, with thirty stamens arranged in groups around the two carpels.

Hibbertia circumdans is a species of flowering plant in the family Dilleniaceae and is endemic to New South Wales. It is an erect shrub with hairy branches, linear to wedge-shaped or spatula-shaped leaves, and yellow flowers arranged on short side shoots, with fifteen to thirty stamens arranged in groups around the three carpels.

Hibbertia cistifolia is a species of flowering plant in the family Dilleniaceae and is endemic to northern Australia. It is a prostrate to low-lying sub-shrub with trailing, wiry stems, hairy foliage, oblong to elliptic leaves and yellow flowers arranged in leaf axils, with forty to fifty-eight stamens arranged around the two carpels.

References

  1. "Hibbertia acaulothrix". Australian Plant Census. Retrieved 17 March 2021.
  2. "Hibbertia acaulothrix". Royal Botanic Garden Sydney. Retrieved 17 March 2021.
  3. 1 2 3 Toelken, Hellmut R. (2012). "Notes on Hibbertia (Dilleniaceae) 7. H. hermanniifolia group (subgen. Hemistemma) mainly from temperate eastern Australia" (PDF). Journal of the Adelaide Botanic Gardens. 25: 59–61. Retrieved 17 March 2021.
  4. "Hibbertia acaulothrix". APNI. Retrieved 17 March 2021.